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IrinaVladis [17]

2 years ago

15

An employee receives an 8% raise each year. The salary this year is $42,000. Which two expressions will calculate the salary for

next year?

1 answer:

Natali [406]2 years ago

5 0

$42,000 x .08 = $3,360 raise
$42,000 + $3,360 = $45,360 salary for the next year

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A pencil costs .27 and a pen costs .32. You buy six pencils and the total cost is 4.18 How many pens did you buy?

skelet666 [1.2K]

Answer:

8 pens

Step-by-step explanation:

<h2><u>Finding the number of pens bought </u></h2>

pencil costs 0.27

pen costs 0.32

6 * pencils + x pens = 4.18

6 * 0.27 + x * 0.32 = 4.18

1.62 + 0.32x = 4.18

0.32x = 4.18 - 1.62

0.32x = 2.56

x = 2.56/0.32

x = 8

<u>hence 8 pens were bought </u>

8 0

3 years ago

FIND THE FACTORS OF THE FOLLOWING POLYNOMIAL 3y²-2y-1

labwork [276]

Answer:

y

$y2 - 2y - 3$

$(y - 1)(y + 3)$

$(3y - 1)(3y + 3)$

Step-by-step explanation:

you multiple the 3 with the 1

then factor

then divide by 3 again but the denominator goes in front of the y.

5 0

2 years ago

Find f(-3) in the function f(x) = -x-2

TEA [102]

I don’t know for sure if this is right but I got f(-3)=1.
f(-3)= -x - 2
f(-3)= -(-3) - 2
The 2 negatives cancel each other out and make a positive.
f(-3)= 3-2
f(-3)=1

7 0

3 years ago

3. d-6 = -10<br> 4. m-14=-17<br> 5. w-23=59<br> 6. x-57= -15<br> 7. x-31= -7<br> 8. x + 51= -9

SVEN [57.7K]

Answer: 3. d= -4 , 4. m= -3 , 5. w= 82 , 6. x=42 , 7. x=24 , 8. x= -60

Step-by-step explanation:

3. Step 1: Add 6 to both sides.

d−6+6=−10+6

d=−4

4. Step 1: Add 14 to both sides.

m−14+14=−17+14

m=−3

5. Step 1: Add 23 to both sides.

w-23+23=59 + 23

w= 82

Continue to repeat the step for the other ones. If there is a positive then subtract on both sides!

4 0

3 years ago

The equation of line WX is 2x+y=-5. What is the equation of a line perpendicular to line WX in slope-intercept form that contain

Karo-lina-s [1.5K]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange 2x + y = - 5 into this form by subtracting 2x from both sides

y = - 2x - 5 ← in slope- intercept form

with slope m = - 2

Given a line with slope m then the slope of a line perpendicular to it is

$m_{perpendicular}$ = - $\frac{1}{m}$ = - $\frac{1}{-2}$ = - $\frac{1}{2}$ , hence

y = $\frac{1}{2}$ x + c ← is the partial equation of the perpendicular line

To find c substitute (- 1, - 2) into the partial equation

- 2 = - $\frac{1}{2}$ + c ⇒ c = - $\frac{3}{2}$

y = $\frac{1}{2}$ x - $\frac{3}{2}$ ← equation in slope- intercept form

6 0

3 years ago